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Finding the Fourth Proportional to 9,998.17, 14,997.33 and 3,424.41

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Solution

The fourth proportional to 9,998.17, 14,997.33 and 3,424.41 is: 5,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.17 : 14,997.33 = 3,424.41 : x
  2. Step 2: Convert to fraction form
    9,998.17/14,997.33 = 3,424.41/x
  3. Step 3: Cross multiply
    9,998.17x = 14,997.33 × 3,424.41
  4. Step 4: Simplify right side
    9,998.17x = 51,357,006.83
  5. Step 5: Solve for x
    x = 51,357,006.83/9,998.17
  6. Step 6: Final answer
    x = 5,136.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.